An Elementary Proof of a Theorem of Graham on Finite Semigroups

Adolfo Ballester-Bolinches and Vicent Pérez-Calabuig
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Adolfo Ballester-Bolinches: Departament de Matemàtiques, Universitat de València, Dr. Moliner, 50, Burjassot, 46100 València, Spain
Vicent Pérez-Calabuig: Departament de Matemàtiques, Universitat de València, Dr. Moliner, 50, Burjassot, 46100 València, Spain

Mathematics, 2020, vol. 8, issue 1, 1-5

Abstract: The purpose of this note is to give a very elementary proof of a theorem of Graham that provides a structural description of finite 0-simple semigroups and its idempotent-generated subsemigroups.

Keywords: finite semigroup; regular semigroup; 0-simple semigroup (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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